
Ching Chang
Examiner (ID: 3427, Phone: (571)272-4857 , Office: P/3748 )
| Most Active Art Unit | 3748 |
| Art Unit(s) | 3748, 3746 |
| Total Applications | 1871 |
| Issued Applications | 1700 |
| Pending Applications | 11 |
| Abandoned Applications | 170 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 1395256
[patent_doc_number] => 06513468
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-02-04
[patent_title] => 'Valve timing control system for internal combustion engine'
[patent_app_type] => B2
[patent_app_number] => 09/982932
[patent_app_country] => US
[patent_app_date] => 2001-10-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 16
[patent_figures_cnt] => 20
[patent_no_of_words] => 12356
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/513/06513468.pdf
[firstpage_image] =>[orig_patent_app_number] => 09982932
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/982932 | Valve timing control system for internal combustion engine | Oct 21, 2001 | Issued |
Array
(
[id] => 6043196
[patent_doc_number] => 20020166526
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2002-11-14
[patent_title] => 'Valve timing control system for internal combustion engine'
[patent_app_type] => new
[patent_app_number] => 09/982931
[patent_app_country] => US
[patent_app_date] => 2001-10-22
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0166/20020166526.pdf
[firstpage_image] =>[orig_patent_app_number] => 09982931
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/982931 | Valve timing control system for internal combustion engine | Oct 21, 2001 | Issued |
Array
(
[id] => 1590044
[patent_doc_number] => 06491008
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2002-12-10
[patent_title] => 'Variable valve timing adjustable roller rocker arm assembly'
[patent_app_type] => B1
[patent_app_number] => 09/682786
[patent_app_country] => US
[patent_app_date] => 2001-10-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
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[patent_no_of_words] => 1889
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[pdf_file] => patents/06/491/06491008.pdf
[firstpage_image] =>[orig_patent_app_number] => 09682786
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/682786 | Variable valve timing adjustable roller rocker arm assembly | Oct 17, 2001 | Issued |
Array
(
[id] => 6204771
[patent_doc_number] => 20020069846
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2002-06-13
[patent_title] => 'Compact hydraulic lash adjuster'
[patent_app_type] => new
[patent_app_number] => 09/976487
[patent_app_country] => US
[patent_app_date] => 2001-10-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 2893
[patent_no_of_claims] => 19
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0069/20020069846.pdf
[firstpage_image] =>[orig_patent_app_number] => 09976487
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/976487 | Compact hydraulic lash adjuster | Oct 11, 2001 | Issued |
Array
(
[id] => 1190026
[patent_doc_number] => 06729280
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2004-05-04
[patent_title] => 'Reference position learning apparatus and method of a variable valve-timing controlling system'
[patent_app_type] => B2
[patent_app_number] => 09/975073
[patent_app_country] => US
[patent_app_date] => 2001-10-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
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[patent_no_of_words] => 6319
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/729/06729280.pdf
[firstpage_image] =>[orig_patent_app_number] => 09975073
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/975073 | Reference position learning apparatus and method of a variable valve-timing controlling system | Oct 11, 2001 | Issued |
Array
(
[id] => 1507883
[patent_doc_number] => 06470842
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2002-10-29
[patent_title] => 'Lever-type cam follower'
[patent_app_type] => B2
[patent_app_number] => 09/975610
[patent_app_country] => US
[patent_app_date] => 2001-10-11
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/06/470/06470842.pdf
[firstpage_image] =>[orig_patent_app_number] => 09975610
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/975610 | Lever-type cam follower | Oct 10, 2001 | Issued |
Array
(
[id] => 1389890
[patent_doc_number] => 06520134
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2003-02-18
[patent_title] => 'Screen printable foam coating for sealing and vibration isolation of cam cover baffles'
[patent_app_type] => B1
[patent_app_number] => 09/976084
[patent_app_country] => US
[patent_app_date] => 2001-10-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 5
[patent_no_of_words] => 2787
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/520/06520134.pdf
[firstpage_image] =>[orig_patent_app_number] => 09976084
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/976084 | Screen printable foam coating for sealing and vibration isolation of cam cover baffles | Oct 10, 2001 | Issued |
Array
(
[id] => 1570314
[patent_doc_number] => 06467445
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2002-10-22
[patent_title] => 'Deactivation and two-step roller finger follower having a slider bracket'
[patent_app_type] => B1
[patent_app_number] => 09/970234
[patent_app_country] => US
[patent_app_date] => 2001-10-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 4
[patent_no_of_words] => 3995
[patent_no_of_claims] => 23
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/467/06467445.pdf
[firstpage_image] =>[orig_patent_app_number] => 09970234
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/970234 | Deactivation and two-step roller finger follower having a slider bracket | Oct 2, 2001 | Issued |
Array
(
[id] => 757206
[patent_doc_number] => 07011053
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-03-14
[patent_title] => 'Controller for controlling opening and closing of an intake valve of an engine'
[patent_app_type] => utility
[patent_app_number] => 10/398182
[patent_app_country] => US
[patent_app_date] => 2001-09-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
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[pdf_file] => patents/07/011/07011053.pdf
[firstpage_image] =>[orig_patent_app_number] => 10398182
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/398182 | Controller for controlling opening and closing of an intake valve of an engine | Sep 27, 2001 | Issued |
Array
(
[id] => 1216460
[patent_doc_number] => 06701876
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2004-03-09
[patent_title] => 'Electromechanical engine valve actuator system with reduced armature impact'
[patent_app_type] => B2
[patent_app_number] => 09/965227
[patent_app_country] => US
[patent_app_date] => 2001-09-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/701/06701876.pdf
[firstpage_image] =>[orig_patent_app_number] => 09965227
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/965227 | Electromechanical engine valve actuator system with reduced armature impact | Sep 26, 2001 | Issued |
Array
(
[id] => 1507880
[patent_doc_number] => 06470841
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2002-10-29
[patent_title] => 'Valve operating system for internal combustion engines'
[patent_app_type] => B2
[patent_app_number] => 09/963794
[patent_app_country] => US
[patent_app_date] => 2001-09-27
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/06/470/06470841.pdf
[firstpage_image] =>[orig_patent_app_number] => 09963794
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/963794 | Valve operating system for internal combustion engines | Sep 26, 2001 | Issued |
Array
(
[id] => 1372985
[patent_doc_number] => 06536387
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2003-03-25
[patent_title] => 'Electromechanical engine valve actuator system with loss compensation controller'
[patent_app_type] => B1
[patent_app_number] => 09/965228
[patent_app_country] => US
[patent_app_date] => 2001-09-27
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[pdf_file] => patents/06/536/06536387.pdf
[firstpage_image] =>[orig_patent_app_number] => 09965228
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/965228 | Electromechanical engine valve actuator system with loss compensation controller | Sep 26, 2001 | Issued |
Array
(
[id] => 1389911
[patent_doc_number] => 06520135
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-02-18
[patent_title] => 'Apparatus for adjusting valve lift'
[patent_app_type] => B2
[patent_app_number] => 09/962343
[patent_app_country] => US
[patent_app_date] => 2001-09-26
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[firstpage_image] =>[orig_patent_app_number] => 09962343
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/962343 | Apparatus for adjusting valve lift | Sep 25, 2001 | Issued |
Array
(
[id] => 1397492
[patent_doc_number] => 06510825
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-01-28
[patent_title] => 'Internal combustion engine for motor vehicles and the like'
[patent_app_type] => B2
[patent_app_number] => 09/960478
[patent_app_country] => US
[patent_app_date] => 2001-09-24
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[pdf_file] => patents/06/510/06510825.pdf
[firstpage_image] =>[orig_patent_app_number] => 09960478
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/960478 | Internal combustion engine for motor vehicles and the like | Sep 23, 2001 | Issued |
Array
(
[id] => 6391813
[patent_doc_number] => 20020035981
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2002-03-28
[patent_title] => 'Timing chain lubricating system for engine'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 09/953234 | Timing chain lubricating system for engine | Sep 16, 2001 | Issued |
Array
(
[id] => 611557
[patent_doc_number] => 07146949
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[patent_issue_date] => 2006-12-12
[patent_title] => 'Valve control apparatus'
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[firstpage_image] =>[orig_patent_app_number] => 10474156
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/474156 | Valve control apparatus | Sep 13, 2001 | Issued |
Array
(
[id] => 1590063
[patent_doc_number] => 06491012
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[patent_issue_date] => 2002-12-10
[patent_title] => 'Rocker arm assembly having a spring clip valve guide'
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[patent_app_number] => 09/952008
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[pdf_file] => patents/06/491/06491012.pdf
[firstpage_image] =>[orig_patent_app_number] => 09952008
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/952008 | Rocker arm assembly having a spring clip valve guide | Sep 10, 2001 | Issued |
Array
(
[id] => 7453973
[patent_doc_number] => 20040094105
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[patent_issue_date] => 2004-05-20
[patent_title] => 'Method for simultantaneously moving cam shafts of various cylinder banks pertaining to an internal combustion engine'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/381619 | Method for simultaneously moving cam shafts of various cylinder banks pertaining to an internal combustion engine | Aug 27, 2001 | Issued |
Array
(
[id] => 1281779
[patent_doc_number] => 06631701
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[patent_issue_date] => 2003-10-14
[patent_title] => 'Camshaft lubrication system'
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[firstpage_image] =>[orig_patent_app_number] => 09919082
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/919082 | Camshaft lubrication system | Jul 30, 2001 | Issued |
Array
(
[id] => 6027441
[patent_doc_number] => 20020017257
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[patent_title] => 'Control unit for adjusting the angle of rotation of a camshaft'
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[pdf_file] => publications/A1/0017/20020017257.pdf
[firstpage_image] =>[orig_patent_app_number] => 09916489
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/916489 | Control unit for adjusting the angle of rotation of a camshaft | Jul 25, 2001 | Issued |